JPH09500400A - 置換ピラジンの製法 - Google Patents

置換ピラジンの製法

Info

Publication number
JPH09500400A
JPH09500400A JP7528801A JP52880195A JPH09500400A JP H09500400 A JPH09500400 A JP H09500400A JP 7528801 A JP7528801 A JP 7528801A JP 52880195 A JP52880195 A JP 52880195A JP H09500400 A JPH09500400 A JP H09500400A
Authority
JP
Japan
Prior art keywords
ammonium
formula
same
reaction
solvent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7528801A
Other languages
English (en)
Japanese (ja)
Inventor
イアン マイケル ホワイトヘッド，
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Firmenich SA
Original Assignee
Firmenich SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Firmenich SA filed Critical Firmenich SA
Publication of JPH09500400A publication Critical patent/JPH09500400A/ja
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D241/12—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
    • C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
    • C07D241/40—Benzopyrazines
    • C07D241/42—Benzopyrazines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
    • C07D241/50—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to ring nitrogen atoms
    • C07D241/52—Oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
JP7528801A 1994-05-10 1995-03-28 置換ピラジンの製法 Pending JPH09500400A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1448/94-7 1994-05-10
CH144894 1994-05-10
PCT/IB1995/000212 WO1995030660A1 (fr) 1994-05-10 1995-03-28 Procede pour la preparation de pyrazines substituees

Publications (1)

Publication Number Publication Date
JPH09500400A true JPH09500400A (ja) 1997-01-14

Family

ID=4210704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7528801A Pending JPH09500400A (ja) 1994-05-10 1995-03-28 置換ピラジンの製法

Country Status (5)

Country Link
US (1) US5679793A (fr)
EP (1) EP0708759B1 (fr)
JP (1) JPH09500400A (fr)
DE (1) DE69518206T2 (fr)
WO (1) WO1995030660A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100556895C (zh) * 2006-10-18 2009-11-04 张锋 川芎嗪的制备方法
CN108084097B (zh) * 2016-11-22 2021-02-26 中国科学院大连化学物理研究所 一种由二羟基丙酮制备5-甲基-2-吡嗪甲醇的方法
CN106749049B (zh) * 2016-11-25 2020-02-21 孙嘏 吡嗪类化合物及其制备方法、用途
US20240043391A1 (en) 2021-02-02 2024-02-08 Symrise Ag Method for producing alkylpyrazines
DE102022132286A1 (de) 2022-12-06 2024-06-06 DÖHLER GmbH Formulierung zur Aromatisierung eines Lebensmittelproduktes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544682A (en) * 1968-03-18 1970-12-01 Lilly Co Eli Fungicidal control method employing substituted pyrazines
US3928352A (en) * 1974-05-07 1975-12-23 Lilly Co Eli Certain substituted 2-pyrazinemethanols
CA2062149A1 (fr) * 1991-03-26 1992-09-27 Teh-Kuei Chen Preparation de pyrazines
US5304648A (en) * 1992-09-29 1994-04-19 Nestec S.A. Pyrazine preparation

Also Published As

Publication number Publication date
DE69518206T2 (de) 2001-03-29
DE69518206D1 (de) 2000-09-07
US5679793A (en) 1997-10-21
EP0708759B1 (fr) 2000-08-02
WO1995030660A1 (fr) 1995-11-16
EP0708759A1 (fr) 1996-05-01

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